The BMW Hydrogen 7 is the world's first production-ready hydrogen vehicle. This standard production saloon is a refinement of the BMW 7 Series. Its engine is a 6.0-litre V12 with Valvetronic and double-Vanos with direct petrol injection and hydrogen intake manifold injection, enabling it to run on both liquid hydrogen and petrol. Since its 2007 launch, a fleet of the cars have been used at VIP events and loaned out to business leaders who are committed to reducing emissions in their organisations, such as Justin King of Sainsbury's and Stuart Rose of M&S. On the road, the BMW Hydrogen 7 has shown that switching to hydrogen is perfectly in tune with the comfort and dynamics you'd expect from BMW.